__synchronize_hardirq

Name:__synchronize_hardirq

Proto:static void __synchronize_hardirq(struct irq_desc *desc, bool sync_chip)

Type:void

Parameter:

Type	Parameter	Name
struct irq_desc *	desc
bool	sync_chip

40

irqd = irq_desc_get_irq_data(desc)

43

Do

50

When irqd_irq_inprogress( & irq_data) cycle

51

54

raw_spin_lock_irqsave( & lock, flags)

55

inprogress = irqd_irq_inprogress( & irq_data)

62

If Not inprogress && sync_chip Then

67

__irq_get_irqchip_state(irqd, Is interrupt in progress? , & inprogress)

70

raw_spin_unlock_irqrestore( & lock, flags)

73

When inprogress cycle

**Caller**
Name	Describe
synchronize_hardirq	synchronize_hardirq - wait for pending hard IRQ handlers (on other CPUs)@irq: interrupt number to wait for This function waits for any pending hard IRQ handlers for this* interrupt to complete before returning
synchronize_irq	synchronize_irq - wait for pending IRQ handlers (on other CPUs)@irq: interrupt number to wait for This function waits for any pending IRQ handlers for this interrupt* to complete before returning. If you use this function while
__free_irq	Internal function to unregister an irqaction - used to free* regular and special interrupts that are part of the architecture.

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